.header {
    width: 100%;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.header-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.github-link {
    display: flex;
    align-items: center;
    color: var(--text-primary);
    transition: color 0.2s;
}

.github-link:hover {
    color: var(--accent-color);
}

.container {
    display: flex;
    flex-direction: column;
    flex: 1;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    overflow: auto;
}

.logo {
    height: 2rem;
    width: auto;
}

.header h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
}

.main {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding: 1rem;
    overflow: auto;
}

.editor-panel {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 0;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 0.875rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .header h1 {
        font-size: 1.25rem;
    }

    .header-actions {
        width: 100%;
    }

    .main {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 1fr;
        gap: 0.5rem;
        padding: 0.5rem;
    }
}